/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --background: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    background-color: var(--card-background);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
}

.brand-logo {
    width: 72px;
    height: 72px;
    object-fit: contain;
    display: inline-block;
}

@media (max-width: 420px) {
    .brand-logo {
        width: 56px;
        height: 56px;
    }
}

.brand-text {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: none; /* hidden on small screens */
    gap: 1rem;
    align-items: center;
}

.nav-item {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 0.375rem 0.5rem;
}

.nav-item:hover { color: var(--text-primary); }

@media (min-width: 700px) {
    .nav-links { display: flex; }
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.cart-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.2s;
}

.cart-toggle:hover {
    background-color: var(--primary-dark);
}

.cart-badge {
    background-color: var(--danger-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Main Content */
.main {
    padding: 2rem 0;
}

.products-grid {
    display: grid;
    /* Use minmax to avoid implicit min-width issues and allow two columns on narrow screens */
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

/* Product Card */
.product-card {
    background-color: var(--card-background);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    position: relative; /* allow floating add button */
}

.product-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    width: 100%;
    height: 200px; /* default mobile height */
    object-fit: cover;
    background-color: var(--border-color);
    display: block;
}

.product-info {
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-code {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    margin-bottom: 0.25rem;
}

.product-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.product-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    flex: 1;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.btn {
    padding: 0.625rem 1rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-block {
    width: 100%;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #475569;
}

/* Floating icon add-to-cart button on product cards */
.cart-btn-icon {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 12px rgba(0,0,0,0.12);
    border: none;
    cursor: pointer;
    z-index: 5;
}

.cart-btn-icon:hover {
    background-color: var(--primary-dark);
}

.product-card .product-info { /* ensure space for floating button */
    padding-top: 0.75rem;
}

/* Cart Sidebar */
.cart-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.cart-overlay.active {
    display: block;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    max-height: 100vh;
    background-color: var(--card-background);
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: right 0.3s ease;
    /* allow inner scroll area; the body will scroll while footer stays fixed */
    overflow: hidden;
}

.cart-sidebar.active {
    right: 0;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.cart-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.cart-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-close:hover {
    color: var(--text-primary);
}

.cart-body {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 1rem;
    min-height: 200px;
    /* allow cart body to take available space so footer remains visible */
}

/* Pastikan cart-body selalu terlihat */


.cart-empty {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    background-color: var(--background);
}

.cart-item-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 0.5rem;
    flex-shrink: 0;
}

.cart-item-info {
    flex: 1;
    min-width: 0;
}

.cart-item-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
}

.cart-item-code {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    margin-bottom: 0.5rem;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.qty-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--border-color);
    background-color: var(--card-background);
    border-radius: 0.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s;
}

.qty-btn:hover {
    background-color: var(--border-color);
}

.qty-value {
    min-width: 30px;
    text-align: center;
    font-weight: 600;
}

.cart-item-subtotal {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.875rem;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    font-size: 0.875rem;
    padding: 0.25rem 0.5rem;
}

.cart-item-remove:hover {
    text-decoration: underline;
}

.cart-footer {
    padding: 0.5rem 0.75rem;
    border-top: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    background-color: var(--card-background);
    flex-shrink: 0;
    position: sticky;
    bottom: 0;
    right: 0;
    width: 100%;
    max-width: 400px;
    z-index: 1020;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.04);
}

@media (max-width: 520px) {
    .cart-footer {
        padding: 0.25rem 0.5rem;
        gap: 0.1rem;
        box-shadow: 0 -1px 6px rgba(0,0,0,0.06);
    }
    .cart-footer .btn {
        padding: 0.3rem 0.5rem;
        font-size: 0.88rem;
    }
}

/* Section title untuk form */
.cart-section-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 0.5rem;
    margin-bottom: 0.25rem;
}

/* Spacing adjustments for cart footer stepper */
.cart-footer .cart-section-title {
    margin-top: 0.75rem;
    margin-bottom: 0.5rem;
}

.cart-footer .form-input {
    margin-bottom: 0.5rem;
}

.cart-footer .btn {
    margin-bottom: 0.25rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.95rem;
}

/* Toolbar */
.toolbar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: nowrap;
}

/* Carousel Styles */
.carousel {
    width: 100%;
    max-width: 1200px;
    margin: 1rem auto 2rem auto;
    position: relative;
    overflow: hidden;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    background: #000;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
    will-change: transform;
}

.carousel-slide {
    min-width: 100%;
    display: block;
}

.carousel-slide img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.45);
    color: #fff;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 20;
}

.carousel-prev { left: 0.5rem; }
.carousel-next { right: 0.5rem; }

.carousel-indicators {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0.5rem;
    display: flex;
    gap: 0.5rem;
    z-index: 30;
}

.carousel-indicators button {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    padding: 0;
}

.carousel-indicators button.active {
    background: var(--primary-color);
}

@media (min-width: 1024px) {
    .carousel-slide img { height: 360px; }
}

/* hide previous search UI (we only keep category + sort) */
.search-wrapper { display: none; }

.toolbar .form-input {
    min-width: 0; /* allow shrinking */
}

.toolbar select.form-input:first-child {
    flex: 2 1 0%;
}

.toolbar select.form-input:last-child {
    flex: 1 1 140px;
    max-width: 220px;
}

/* Small phones: keep 2 columns down to reasonable widths, reduce gaps and paddings */
@media (max-width: 420px) {
    .products-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.5rem;
    }

    .product-image {
        height: 150px;
    }

    .product-info {
        padding: 0.5rem;
    }

    .search-input {
        width: 100%;
    }
}

/* Very narrow devices (older/very small phones) fallback to 1 column */
@media (max-width: 340px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .product-image {
        height: 160px;
    }

    .product-info {
        padding: 0.5rem;
    }
}

.cart-section-title:first-child {
    margin-top: 0;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 700;
    padding: 0.75rem 0;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 0.5rem;
    position: sticky;
    top: 0;
    background-color: var(--card-background);
    z-index: 10;
}

.form-input {
    width: 100%;
    padding: 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input:disabled {
    background-color: #f1f5f9;
    cursor: not-allowed;
    opacity: 0.6;
}

textarea.form-input {
    resize: vertical;
    min-height: 60px;
    font-family: inherit;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 0.75rem;
}

select.form-input {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

/* Responsive Design - Tablet */
@media (min-width: 640px) {
    .products-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1rem;
    }

    .product-image {
        height: 240px;
    }
}

/* Responsive Design - Desktop */
@media (min-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1.25rem;
    }

    .product-image {
        height: 300px;
    }

    .header .container {
        padding: 1rem 2rem;
    }

    .main .container {
        padding: 0 2rem;
    }
}

/* Product Detail Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    display: none; /* hidden by default */
}

.modal-overlay.active {
    display: block;
}

.product-modal {
    position: fixed;
    inset: 0;
    display: none; /* hidden by default */
    align-items: center;
    justify-content: center;
    z-index: 2001;
    pointer-events: none;
}

.product-modal.active {
    display: flex;
    pointer-events: auto;
}

.product-modal .product-modal-card {
    width: 95%;
    max-width: 920px;
    background: var(--card-background);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    padding: 1rem;
    pointer-events: auto;
    position: relative;
}

.product-modal .modal-close {
    position: absolute;
    right: 1rem;
    top: 0.75rem;
    background: var(--primary-color);
    border: none;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.25rem;
    color: #fff;
    cursor: pointer;
    box-shadow: 0 6px 12px rgba(0,0,0,0.12);
}

.product-modal .modal-close:hover {
    background: var(--primary-dark);
}

.modal-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.modal-media {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-image {
    width: 100%;
    max-height: 420px;
    object-fit: contain;
    background: var(--border-color);
    border-radius: 0.5rem;
}

.modal-body { padding: 0.5rem 0; }
.modal-code { font-family: 'Courier New', monospace; color: var(--text-secondary); margin-bottom: 0.25rem; }
.modal-title { margin: 0 0 0.5rem 0; }
.modal-price-row { display:flex; align-items:center; gap:1rem; margin-bottom:0.5rem; }
.modal-price { font-weight:700; color:var(--primary-color); font-size:1.25rem; }
.modal-wholesale { font-size:0.9rem; color:var(--text-secondary); }
.modal-category { font-size:0.9rem; color:var(--text-secondary); margin-bottom:0.5rem; }
.modal-description { color:var(--text-secondary); margin-bottom:1rem; }
.modal-controls { display:flex; gap:0.75rem; align-items:center; }
.qty-group { display:flex; align-items:center; gap:0.5rem; }
.qty-group input { width:60px; padding:0.4rem; border-radius:0.25rem; border:1px solid var(--border-color); }

@media (min-width: 720px) {
    .modal-grid { grid-template-columns: 1fr 1fr; }
    .modal-image { max-height: 500px; }
}

/* Make close button larger and more prominent on small screens */
@media (max-width: 520px) {
    .product-modal .product-modal-card { padding-top: 1.25rem; }
    .product-modal .modal-close {
        width: 48px;
        height: 48px;
        font-size: 1.35rem;
        right: 0.75rem;
        top: 0.5rem;
    }
}

/* Loading State */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

/* Animations */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Spacing for order form inside cart sidebar */
.cart-step-order .form-input,
.cart-step-order select,
.cart-step-order textarea,
.cart-step-order .cart-section-title {
    margin-bottom: 0.75rem;
}
.cart-step-order .cart-section-title {
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}
.cart-step-order .form-input:first-child {
    margin-top: 0.5rem;
}